CN110137040A - A kind of four-in-one intelligent breaker - Google Patents

A kind of four-in-one intelligent breaker Download PDF

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Publication number
CN110137040A
CN110137040A CN201910416866.3A CN201910416866A CN110137040A CN 110137040 A CN110137040 A CN 110137040A CN 201910416866 A CN201910416866 A CN 201910416866A CN 110137040 A CN110137040 A CN 110137040A
Authority
CN
China
Prior art keywords
breaker
ammeter
micro
intelligent
intelligent breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910416866.3A
Other languages
Chinese (zh)
Inventor
刘镇阳
史已佳
李子钰
刘辰成
蔡雄雄
赵俊飞
张启鼎
钱江波
陈拥军
刘志雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING MIDAN ELECTRONIC INFORMATION CO Ltd
Original Assignee
NANJING MIDAN ELECTRONIC INFORMATION CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANJING MIDAN ELECTRONIC INFORMATION CO Ltd filed Critical NANJING MIDAN ELECTRONIC INFORMATION CO Ltd
Priority to CN201910416866.3A priority Critical patent/CN110137040A/en
Publication of CN110137040A publication Critical patent/CN110137040A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F15/00Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections

Abstract

The present invention provides a kind of four-in-one intelligent breaker, including breaker, motor-operating mechanism and micro- ammeter, handle is set on breaker, for carrying out local separating brake, closing operation;Control module is set in motor-operating mechanism, for carrying out long-range separating brake, closing operation;Micro- ammeter is used to carry out telecommunication and carry out long-range separating brake, the shutting-brake control of intelligent breaker, and the inside of micro- ammeter is equipped with metering plate, carries out quantitative analysis for the electricity consumption situation to user and controls motor-operating mechanism;The present invention concentrates on breaker open operation/combined floodgate, electric operating, metering (expense is controlled) and the function of communication (including wireless communication and wire communication) in one intelligent breaker, reduces installation cost, convenient, reliable suitable for the distribution box of narrow space;User can carry out separating brake, shutting-brake control using Local or Remote mode, avoid unnecessary waste of energy;Be arranged local first module, ensured user using safe.

Description

A kind of four-in-one intelligent breaker
Technical field
The present invention relates to intelligent breaker technical field more particularly to a kind of four-in-one intelligent breakers.
Background technique
With the fast development of Internet of Things, especially " ubiquitous electric power Internet of Things " (ubiquitous electric power Internet of Things, be exactly around electricity Each link of Force system realizes power train sufficiently using modern information technologies, Advanced Communication Technology such as mobile interchange, artificial intelligence It unites the interconnection of each link all things on earth, human-computer interaction, there is state complete perception, efficient information processing, using the intelligence of convenient flexible features Intelligent service system, include sensing layer, network layer, podium level, application layer four-layer structure) concept formation and starting, broken out intelligence The product demand of energy breaker, therefore many low-voltage electrical apparatus enterprises accelerate the development process of intelligent breaker, various intelligences Circuit breaker continuing to bring out.
However breaker still right and wrong used in current either urban distribution network or industrial and mining enterprises, average family power grid Intelligent breaker remains in the stage of " dummy device ".Therefore, within quite long one period, Utilities Electric Co., industrial and mineral enterprise Industry will replace these production and living power equipments or conventional circuit breaker completely in force, and cost is very high, but also can be to work Mine enterprise, resident production and living bring great inconvenience.How on the basis of original breaker and distribution box, as far as possible Low cost, conveniently, installation data acquisition components that are firm, being not take up space and control unit, and without being additionally provided data Acquisition component and control unit power supply become a urgent need solution and of great value innovation subject.
Meanwhile country is proposed to push energy-saving and emission-reduction work including load control system, tou power price, step price etc. one Technology and economic measure in terms of serial demand Side Management.The release of these measures and the raising of people's environmental consciousness promote So that power customer is made great efforts to obtain electrical equipment electric energy using data, takes and implement reasonable power consumption management means to reduce electric energy Consumption and the electricity charge expenditure.Current breaker is mostly expense control breaker, and user not can be carried out long-range separating brake, close a floodgate behaviour Make, so as to cause unnecessary waste of energy.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of four-in-one intelligent open circuit proposed Separating brake/combined floodgate, electric operating, expense are controlled and the function of communication concentrate in an intelligent breaker by device, reduce volume, enhancing Applicability.
To achieve the above object, present invention employs following technical solutions:
A kind of four-in-one intelligent breaker, including breaker, motor-operating mechanism and micro- ammeter, the shell of the breaker and institute The shell connection of motor-operating mechanism is stated, the breaker is equipped with handle, for carrying out local separating brake, closing operation;It is described Control module is equipped in motor-operating mechanism, for carrying out long-range separating brake, closing operation;The shell of micro- ammeter is connected to institute It states on the shell of breaker, micro- ammeter is used to carry out telecommunication and carry out long-range point of the four-in-one intelligent breaker Lock, shutting-brake control, the inside of micro- ammeter are equipped with metering plate, and the metering plate is connect with the control module, be used for The electricity consumption situation at family carries out quantitative analysis and controls the motor-operating mechanism;Micro- ammeter, which is connected with, takes electric mortiser Head, the power taking plug are set between micro- ammeter and the breaker, the power taking plug and the metering plate, described disconnected The binding post of road device is separately connected, for taking electricity from the breaker and powering to the metering plate.
Preferably, micro- ammeter is equipped with drawer type SIM card socket, for installing SIM card, supports WIFI, LORA, NB- The communication of IOT, GPRS, 3G/4G or 5G, for realizing the company of the four-in-one intelligent breaker and Internet It connects, provides the information interconnection between the four-in-one intelligent breaker and people, the SIM card is to the four-in-one intelligent breaker User data stored.
Preferably, micro- ammeter is equipped with RS485 interface, for carrying out the cable modem of the four-in-one intelligent breaker Letter interconnects the four-in-one intelligent breaker by RS485 bus and other smart machines with RS485 interface;It is described Connecting terminal opening is correspondingly provided on the shell of micro- ammeter, the connecting terminal of the RS485 interface is open from the connecting terminal The shell of micro- ammeter is stretched out at place, and the connecting terminal of the RS485 interface uses the plug-in terminals of spacing 3.81mm Son.
Preferably, the four-in-one intelligent breaker is realized the four-in-one intelligent breaker using the SIM card and is used Information mutual communication between family, i.e. information mutual communication between realization object and people;The four-in-one intelligent breaker utilizes the RS485 Interface realizes the information mutual communication between the four-in-one intelligent breaker and other smart machines with RS485 interface, i.e., in fact Information mutual communication between existing object and object.
Preferably, micro- ammeter is equipped with SMA antenna, and the SMA antenna is electrically connected with the metering plate, for enhancing Wireless signal when remote radio communication solves the problems, such as that equipment installation position is in signal blind zone and can not communicate.
Preferably, local first module is equipped in the control module, the local first module is described disconnected for monitoring The state of road device simultaneously carries out data processing, when the breaker is by failures separating brakes such as short circuit, overload, electric leakages or locally with institute When stating handle to the breaker open operation, remote operation cannot make the breaker closing, only when this land productivity after eliminating the fault With the handle by the breaker closing, when the normal operation of circuit breaker, remote operation just can be by the breaker point Lock or combined floodgate.
Preferably, micro- ammeter takes prosecutor formula are as follows: the metering plate measures and locate to the electricity consumption situation of user Reason carries out sub-switching operation to the breaker, user cannot be by the open circuit by the handle when monitoring subscriber arrearage Device closes a floodgate;Only after the metering plate monitors that user supplements with money, closing operation just is carried out to the breaker.
Preferably, current transformer and creepage mutual inductor, the current transformer and the leakage are equipped in micro- ammeter Electric mutual inductor is connect with the metering plate, short in appearance for monitoring the working condition of the four-in-one intelligent breaker on-line The four-in-one intelligent breaker is protected when road, overload or leak current fault.
Preferably, the motor-operating mechanism be equipped with manual/auto switch and status lamp, it is described it is manual/auto switch, The status lamp is electrically connected with the control module, for switching the mode of operation of the motor-operating mechanism, the status lamp It is electrically connected with the control module, is used to indicate the working condition of the motor-operating mechanism.
Compared with prior art, the invention has the benefit that
(1) by breaker open operation/combined floodgate, electric operating, metering (taking control) and communication (including wireless communication and wire communication) Function concentrates in an intelligent breaker, reduces installation cost, and the small volume of intelligent breaker is suitable for narrow space Distribution box, and have the advantages that convenient, reliable;
(2) user can carry out separating brake, shutting-brake control using Local or Remote mode, avoid unnecessary waste of energy;And Local first module is set in motor-operating mechanism, and when breaker is because of failure separating brake or local handle separating brake, long-range control is not Can breaker closing only be allowed long-range control in the case where intelligent breaker is working properly, ensure the use of user Safety, air conditioning managing, the management of unit boiler etc. suitable for unattended equipment room;
(3) expense control is carried out to breaker using micro- ammeter, when subscriber arrearage leads to separating brake, local handle not can be carried out combined floodgate, Only user could close a floodgate after supplementing with money, take the places such as keyholed back plate reason, storage battery charging pile, bank electricity stake suitable for market or rental house.
Detailed description of the invention
Fig. 1 is a kind of perspective view of four-in-one intelligent breaker of the embodiment of the present invention 1;
Fig. 2 is the side view of micro- ammeter in a kind of four-in-one intelligent breaker of the embodiment of the present invention 1;
Fig. 3 is the structural schematic diagram of metering plate in a kind of four-in-one intelligent breaker of the embodiment of the present invention 1.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed It is described as follows.
Incorporated by reference to referring to Fig. 1 to Fig. 3, Fig. 1 is a kind of perspective view of four-in-one intelligent breaker of the embodiment of the present invention 1; Fig. 2 is the side view of micro- ammeter in a kind of four-in-one intelligent breaker of the embodiment of the present invention 1;Fig. 3 is the embodiment of the present invention 1 The structural schematic diagram of metering plate in a kind of four-in-one intelligent breaker.
A kind of four-in-one intelligent breaker of the embodiment of the present invention 1 includes breaker 100, motor-operating mechanism 200 and micro- The shell of ammeter 300, breaker 100 is connect with the shell of motor-operating mechanism 200, wherein breaker 100 and electric operating machine The appearance of structure 200 is in the shape of a " convex ", the shell of the breaker 100 and shell of motor-operating mechanism 200 is arranged side by side, compact setting; Breaker 100 is equipped with handle 101, for carrying out local separating brake, closing operation;Control mould is equipped in motor-operating mechanism 200 Block, for carrying out long-range separating brake, closing operation;The shell of micro- ammeter 300 is connected on the shell of breaker 100, micro- ammeter 300 For carrying out telecommunication and carrying out long-range separating brake, the shutting-brake control of four-in-one intelligent breaker, the inside of micro- ammeter 300 is equipped with Metering plate 301, metering plate 301 are connect with the control module in motor-operating mechanism 200, are carried out for the electricity consumption situation to user Quantitative analysis simultaneously controls motor-operating mechanism 200;Micro- ammeter 300 is connected with power taking plug 302, and power taking plug 302 is set Between micro- ammeter 300 and breaker 100, power taking plug 302 and the binding post of metering plate 301, breaker 100 are separately connected, For taking electricity from breaker 100 and powering to metering plate 301.Four-in-one intelligent breaker of the invention is by separating brake/combined floodgate, electricity Dynamic operation, the function four-in-one for taking control and communication, installation cost is low, compact-sized, occupies small volume, is suitably mounted to often In distribution box, support user carry out Local or Remote operation, moreover it is possible to ensure user using safe.
Preferably, micro- ammeter 300 is equipped with drawer type SIM card socket 303, for installing SIM card, SIM card support WIFI, LORA(Long Range Radio, remote-wireless electricity), NB-IOT(Narrow Band Internet of Things, it is narrow Band Internet of Things, be the emerging technology in one, the field IOT, support low power consuming devices wide area network cellular data connect), GPRS The communication of (General Packet Radio Service, general packet radio service technology), 3G/4G or 5G, For realizing the connection of four-in-one intelligent breaker and Internet, provide four-in-one intelligent breaker and people (object and people) it Between information interconnection, SIM card stores the user data of four-in-one intelligent breaker.When four-in-one intelligent breaker and use When family carries out wireless communication, voltage, electric current, power, frequency, the electricity of four-in-one intelligent breaker can be shown on a user device Situations such as degree, working condition, user is facilitated remotely to be monitored.
Preferably, micro- ammeter 300 is equipped with RS485 interface 304, for carrying out the cable modem of four-in-one intelligent breaker Letter interconnects four-in-one intelligent breaker by RS485 bus and other smart machines (object and object) with RS485 interface, Improve the using flexible of four-in-one intelligent breaker of the invention;Connecting terminal is correspondingly provided on the shell of micro- ammeter 300 The connecting terminal 306 of opening 305, RS485 interface 304 stretches out the shell of micro- ammeter 300, this hair from connecting terminal opening 305 The connecting terminal 306 of RS485 interface 304 uses the plug-in of spacing 3.81mm in the four-in-one intelligent breaker of bright embodiment 1 Connecting terminal.
Preferably, four-in-one intelligent breaker realizes the information between four-in-one intelligent breaker and user using SIM card Intercommunication, i.e. information mutual communication between realization object and people;Four-in-one intelligent breaker realizes that four-in-one intelligent is disconnected using RS485 interface Information mutual communication between road device and other smart machines with RS485 interface, i.e. information mutual communication between realization object and object.
Preferably, micro- ammeter 300 is equipped with SMA antenna 307, and SMA antenna 307 is electrically connected with metering plate 301, for enhancing Wireless signal when remote radio communication solves the problems, such as that equipment installation position is in signal blind zone and can not communicate.
Preferably, local first module is equipped in control module, local first module is used for the state of monitoring breaker simultaneously Carry out data processing, when breaker 100 due to short circuit, overload, electric leakage etc. failures separating brake or locally with handle 101 to breaker When 100 separating brake, remote operation cannot make breaker 100 close a floodgate, only when after eliminating the fault locally with handle 101 by breaker 100 close a floodgate, and when breaker 100 works normally, remote operation just can be by 100 separating brake of breaker or combined floodgate.Utilize local first Module carries out priority judgement to local operation and remote operation, ensure intelligent breaker using safe, avoid breaker 100 Break down or National Officer by when 101 disjunction of handle remote personnel carry out closing operation bring safety problem.
Preferably, micro- ammeter 300 takes prosecutor formula are as follows: and metering plate 301 measures and handles to the electricity consumption situation of user, When monitoring subscriber arrearage, sub-switching operation is carried out to breaker 100, user cannot be closed breaker 100 by handle 101 Lock;Only after metering plate 301 monitors that user supplements with money, closing operation just is carried out to breaker 100.
Preferably, current transformer 308 and creepage mutual inductor 309, current transformer 308 and leakage are equipped in micro- ammeter 300 Electric mutual inductor 309 is connect with metering plate 301, for monitoring the working condition of four-in-one intelligent breaker on-line, occur short circuit, Four-in-one intelligent breaker is protected when overload or leak current fault.
Preferably, motor-operating mechanism 200 is equipped with manual/auto switch 201 and status lamp 202, manual/auto switch 201, status lamp 202 is electrically connected with control module, for switching the mode of operation of motor-operating mechanism 200, status lamp 202 and control The electrical connection of molding block, is used to indicate the working condition of motor-operating mechanism 200.
The rated current of four-in-one intelligent breaker of the invention is 100A, has local and long-range two kinds of modes of operation, Local first module is set and carries out safeguard protection, can be protected, be suitable for when there are the situations such as short circuit, overload, electric leakage The air conditioning managing of unattended equipment room, the management of unit boiler, market or rental house take keyholed back plate reason, storage battery charging pile, bank The places such as electric stake.
In conclusion four-in-one intelligent breaker of the invention (will take breaker open operation/combined floodgate, electric operating, metering Control) and the function of communication (including wireless communication and wire communication) concentrate in an intelligent breaker, it can be achieved that object and people, object Information mutual communication between object reduces installation cost, the small volume of intelligent breaker, the distribution suitable for narrow space Case, and have the advantages that convenient, reliable;User can carry out separating brake, shutting-brake control using Local or Remote mode, avoid not Necessary waste of energy;And local first module is set in motor-operating mechanism 200, when breaker 100 is because of failure separating brake or sheet When ground 101 separating brake of handle, long-range control cannot close a floodgate breaker 100, only in the case where intelligent breaker is working properly Allow long-range control, ensured user using safe;Expense control is carried out to breaker 100 using micro- ammeter 300, works as subscriber arrearage When leading to separating brake, local handle 101 not can be carried out combined floodgate, and only user could close a floodgate after supplementing with money, realize controlling electric energy.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention. It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and It is changed and retouched made by range, belongs to scope of patent protection of the invention.

Claims (9)

1. a kind of four-in-one intelligent breaker, it is characterised in that: described disconnected including breaker, motor-operating mechanism and micro- ammeter The shell of road device is connect with the shell of the motor-operating mechanism, the breaker be equipped with handle, for carry out local separating brake, Closing operation;Control module is equipped in the motor-operating mechanism, for carrying out long-range separating brake, closing operation;Micro- ammeter Shell be connected on the shell of the breaker, micro- ammeter is for carrying out telecommunication and carry out the four-in-one intelligent The inside of long-range separating brake, the shutting-brake control of breaker, micro- ammeter is equipped with metering plate, the metering plate and the control module Connection carries out quantitative analysis for the electricity consumption situation to user and controls the motor-operating mechanism;Micro- ammeter Be connected with power taking plug, the power taking plug is set between micro- ammeter and the breaker, the power taking plug with it is described Metering plate, the breaker binding post be separately connected, for taken from the breaker electricity and to the metering plate power.
2. four-in-one intelligent breaker as described in claim 1, it is characterised in that: micro- ammeter is equipped with drawer type SIM Deck supports the communication of WIFI, LORA, NB-IOT, GPRS, 3G/4G or 5G, for real for installing SIM card The connection of existing the four-in-one intelligent breaker and Internet, provides the letter between the four-in-one intelligent breaker and people Breath interconnection, the SIM card store the user data of the four-in-one intelligent breaker.
3. four-in-one intelligent breaker as claimed in claim 2, it is characterised in that: micro- ammeter is equipped with RS485 interface, For carrying out the wire communication of the four-in-one intelligent breaker, by the four-in-one intelligent breaker by RS485 bus with Other smart machine interconnections with RS485 interface;Connecting terminal opening is correspondingly provided on the shell of micro- ammeter, it is described The connecting terminal of RS485 interface stretches out the shell of micro- ammeter from the connecting terminal opening, the RS485 interface Connecting terminal uses the plug-in type connection terminal of spacing 3.81mm.
4. four-in-one intelligent breaker as claimed in claim 3, it is characterised in that: the four-in-one intelligent breaker utilizes institute It states SIM card and realizes information mutual communication between the four-in-one intelligent breaker and user, is i.e. information between realization object and people is mutual It is logical;The four-in-one intelligent breaker realizes that the four-in-one intelligent breaker has with other using the RS485 interface Information mutual communication between the smart machine of RS485 interface, i.e. information mutual communication between realization object and object.
5. four-in-one intelligent breaker as described in claim 1, it is characterised in that: micro- ammeter is equipped with SMA antenna, institute It states SMA antenna to be electrically connected with the metering plate, for enhancing wireless signal when remote radio communication, solves equipment installation position The problem of can not being communicated in signal blind zone.
6. four-in-one intelligent breaker as described in claim 1, it is characterised in that: be equipped with local first in the control module Module, the local first module be used for monitor the breaker state and carry out data processing, when the breaker due to Short circuit, overload, electric leakage etc. failures separating brake or locally with the handle to the breaker open operation when, remote operation cannot make institute Breaker closing is stated, only when after eliminating the fault locally with the handle by the breaker closing, the breaker is normal When work, remote operation just can be by the breaker open operation or combined floodgate.
7. four-in-one intelligent breaker as described in claim 1, it is characterised in that: micro- ammeter takes prosecutor formula are as follows: institute It states metering plate the electricity consumption situation of user is measured and handled, when monitoring subscriber arrearage, the breaker is divided Lock operation, user cannot be by the breaker closings by the handle;Only when the metering plate monitors that user supplements it with money Afterwards, closing operation just is carried out to the breaker.
8. four-in-one intelligent breaker as described in claim 1, it is characterised in that: be equipped with current transformer in micro- ammeter And creepage mutual inductor, the current transformer and the creepage mutual inductor are connect with the metering plate, it is described for monitoring on-line The working condition of four-in-one intelligent breaker, when there is short circuit, overload or leak current fault to the four-in-one intelligent breaker It is protected.
9. four-in-one intelligent breaker as described in claim 1, it is characterised in that: the motor-operating mechanism is equipped with hand Dynamic/automatic switch and status lamp, the manual/auto switch, the status lamp are electrically connected with the control module, for switching The mode of operation of the motor-operating mechanism, the status lamp are electrically connected with the control module, are used to indicate the electronic behaviour Make the working condition of mechanism.
CN201910416866.3A 2019-05-20 2019-05-20 A kind of four-in-one intelligent breaker Pending CN110137040A (en)

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Application Number Priority Date Filing Date Title
CN201910416866.3A CN110137040A (en) 2019-05-20 2019-05-20 A kind of four-in-one intelligent breaker

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Application Number Priority Date Filing Date Title
CN201910416866.3A CN110137040A (en) 2019-05-20 2019-05-20 A kind of four-in-one intelligent breaker

Publications (1)

Publication Number Publication Date
CN110137040A true CN110137040A (en) 2019-08-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491741A (en) * 2019-09-25 2019-11-22 中电科安科技股份有限公司 A kind of long-range control intelligent breaker
CN114613650A (en) * 2022-03-23 2022-06-10 杭州四方博瑞科技股份有限公司 Intelligent opening and closing device for circuit breaker

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CN109560615A (en) * 2019-01-17 2019-04-02 南昌市光辉电力科技有限公司 It is a kind of to take control metering and switch cabinet control method and system
CN208690131U (en) * 2018-06-20 2019-04-02 乐清市一锦电子有限公司 A kind of attachment remotely operating reclosing breaker
CN109754535A (en) * 2019-03-07 2019-05-14 中国电力科学研究院有限公司 Using the intelligent payment system of wireless communication technique

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Publication number Priority date Publication date Assignee Title
CN103457355A (en) * 2013-09-11 2013-12-18 南京捷泰电力设备有限公司 Measurement-protection integrated low-voltage intelligent switch
CN105226817A (en) * 2015-09-25 2016-01-06 安徽理工大学 A kind of intelligent family circuit breaker based on Internet of Things and using method thereof
CN106329721A (en) * 2016-06-01 2017-01-11 杭州华泰电气技术有限公司 Integrated intelligent ammeter and electric power measurement and control protection system
CN206628714U (en) * 2017-04-10 2017-11-10 北京德威特继保自动化科技股份有限公司 Low voltage switch equipment
CN208690131U (en) * 2018-06-20 2019-04-02 乐清市一锦电子有限公司 A kind of attachment remotely operating reclosing breaker
CN109560615A (en) * 2019-01-17 2019-04-02 南昌市光辉电力科技有限公司 It is a kind of to take control metering and switch cabinet control method and system
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491741A (en) * 2019-09-25 2019-11-22 中电科安科技股份有限公司 A kind of long-range control intelligent breaker
CN114613650A (en) * 2022-03-23 2022-06-10 杭州四方博瑞科技股份有限公司 Intelligent opening and closing device for circuit breaker
CN114613650B (en) * 2022-03-23 2022-11-25 杭州四方博瑞科技股份有限公司 Intelligent opening and closing device for circuit breaker

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